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Per la documentazione dettagliata che include questo esempio di codice, vedi quanto segue:

Esempio di codice

Go

Per scoprire come installare e utilizzare la libreria client per Product Search dell'API Vision, consulta Librerie client di Vision API Product Search. Per maggiori informazioni, consulta la documentazione di riferimento dell'API Product Search dell'API Vision.Go

Per eseguire l'autenticazione a Product Search dell'API Vision, configurare Credenziali predefinite dell'applicazione. Per maggiori informazioni, consulta Configurare l'autenticazione per un ambiente di sviluppo locale.


import (
	"context"
	"fmt"
	"io"

	vision "cloud.google.com/go/vision/apiv1"
	"cloud.google.com/go/vision/v2/apiv1/visionpb"
	field_mask "google.golang.org/genproto/protobuf/field_mask"
)

// updateProductLabels updates product labels of a product.
func updateProductLabels(w io.Writer, projectID string, location string, productID string, key string, value string) error {
	ctx := context.Background()
	c, err := vision.NewProductSearchClient(ctx)
	if err != nil {
		return fmt.Errorf("NewProductSearchClient: %w", err)
	}
	defer c.Close()

	req := &visionpb.UpdateProductRequest{
		UpdateMask: &field_mask.FieldMask{
			Paths: []string{
				"product_labels",
			},
		},
		Product: &visionpb.Product{
			Name: fmt.Sprintf("projects/%s/locations/%s/products/%s", projectID, location, productID),
			ProductLabels: []*visionpb.Product_KeyValue{
				{
					Key:   key,
					Value: value,
				},
			},
		},
	}

	resp, err := c.UpdateProduct(ctx, req)
	if err != nil {
		return fmt.Errorf("UpdateProduct: %w", err)
	}

	fmt.Fprintf(w, "Product name: %s\n", resp.Name)
	fmt.Fprintf(w, "Updated product labels: %s\n", resp.ProductLabels)

	return nil
}

Java

/**
 * Update the product labels.
 *
 * @param projectId - Id of the project.
 * @param computeRegion - Region name.
 * @param productId -Id of the product.
 * @param productLabels - Labels of the product.
 * @throws IOException - on I/O errors.
 */
public static void updateProductLabels(
    String projectId, String computeRegion, String productId, String productLabels)
    throws IOException {
  try (ProductSearchClient client = ProductSearchClient.create()) {

    // Get the full path of the product.
    String formattedName = ProductName.format(projectId, computeRegion, productId);

    // Set product name, product labels and product display name.
    // Multiple labels are also supported.
    Product product =
        Product.newBuilder()
            .setName(formattedName)
            .addProductLabels(
                KeyValue.newBuilder()
                    .setKey(productLabels.split(",")[0].split("=")[0])
                    .setValue(productLabels.split(",")[0].split("=")[1])
                    .build())
            .build();

    // Set product update field name.
    FieldMask updateMask = FieldMask.newBuilder().addPaths("product_labels").build();

    // Update the product.
    Product updatedProduct = client.updateProduct(product, updateMask);
    // Display the product information
    System.out.println(String.format("Product name: %s", updatedProduct.getName()));
    System.out.println(String.format("Updated product labels: "));
    for (Product.KeyValue element : updatedProduct.getProductLabelsList()) {
      System.out.println(String.format("%s: %s", element.getKey(), element.getValue()));
    }
  }
}

Node.js

// Imports the Google Cloud client library
const vision = require('@google-cloud/vision');

// Creates a client
const client = new vision.ProductSearchClient();

async function updateProductLabels() {
  /**
   * TODO(developer): Uncomment the following line before running the sample.
   */
  // const projectId = 'Your Google Cloud project Id';
  // const location = 'A compute region name';
  // const productId = 'Id of the product';
  // const key = 'The key of the label';
  // const value = 'The value of the label';

  // Resource path that represents full path to the product.
  const productPath = client.productPath(projectId, location, productId);

  const product = {
    name: productPath,
    productLabels: [
      {
        key: key,
        value: value,
      },
    ],
  };

  const updateMask = {
    paths: ['product_labels'],
  };

  const request = {
    product: product,
    updateMask: updateMask,
  };

  const [updatedProduct] = await client.updateProduct(request);
  console.log(`Product name: ${updatedProduct.name}`);
  console.log(`Product display name: ${updatedProduct.displayName}`);
  console.log(`Product description: ${updatedProduct.description}`);
  console.log(`Product category: ${updatedProduct.productCategory}`);
  console.log(
    `Product Labels: ${updatedProduct.productLabels[0].key}: ${updatedProduct.productLabels[0].value}`
  );
}
updateProductLabels();

Python

from google.cloud import vision
from google.protobuf import field_mask_pb2 as field_mask

def update_product_labels(project_id, location, product_id, key, value):
    """Update the product labels.
    Args:
        project_id: Id of the project.
        location: A compute region name.
        product_id: Id of the product.
        key: The key of the label.
        value: The value of the label.
    """
    client = vision.ProductSearchClient()

    # Get the name of the product.
    product_path = client.product_path(
        project=project_id, location=location, product=product_id
    )

    # Set product name, product label and product display name.
    # Multiple labels are also supported.
    key_value = vision.Product.KeyValue(key=key, value=value)
    product = vision.Product(name=product_path, product_labels=[key_value])

    # Updating only the product_labels field here.
    update_mask = field_mask.FieldMask(paths=["product_labels"])

    # This overwrites the product_labels.
    updated_product = client.update_product(product=product, update_mask=update_mask)

    # Display the updated product information.
    print(f"Product name: {updated_product.name}")
    print(f"Updated product labels: {product.product_labels}")

Passaggi successivi

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